3. Technical Architecture
3.1 Layer 2 zkRollup Infrastructure
Sovereignty Protocol operates as a Layer 2 zkRollup solution, inheriting security from Ethereum while achieving scalability and privacy for decentralized applications.
zkRollups aggregate transactions into a single proof, minimizing on-chain data and significantly reducing gas fees.
Polygon's Miden provides a powerful foundation for zkRollups with high throughput, enabling applications that require complex computations and real-time interaction.
Key Features:
Batch Processing: Aggregates transactions and identity proofs to reduce on-chain cost.
State Commitments: Ensures the integrity and validity of state transitions using zero-knowledge proofs.
Data Availability Layer: Maintains public visibility of necessary transaction data without compromising user privacy.
The zkRollup infrastructure enables Sovereignty Protocol to support high-performance, privacy-preserving applications across various industries.
3.2 Integration with Polygon Miden
Polygon Miden serves as the underlying zkRollup framework, offering features such as:
Miden VM: A virtual machine optimized for zero-knowledge computation.
High Throughput: Efficient processing of large volumes of transactions with low latency.
Privacy Guarantees: Enables privacy-preserving applications through zkSNARKs and other cryptographic primitives.
Sovereignty Protocol leverages Miden's capabilities to:
Build Privacy-Preserving DIDs: Using zero-knowledge proofs for identity creation and verification.
Enable Private Applications: Across DeFi, payments, gaming, and asset transfers.
Ensure Scalability: Supporting thousands of transactions per second with minimal gas fees.
Further details on Miden's architecture can be found in the official Polygon Miden Documentation.
3.3 Decentralized Identity (DID) Framework
Sovereignty Protocol implements a W3C-compliant DID framework to empower individuals with ownership and control over their digital identities. DIDs are unique, verifiable identifiers issued without reliance on centralized authorities.
Key Components:
DID Creation: Users generate decentralized identifiers secured by zkRollups.
DID Management: Users control how their identity data is shared and stored.
Verification Protocols: Zero-knowledge proofs verify identity claims without revealing underlying data.
By leveraging zkProofs and client-side computations, Sovereignty Protocol ensures that identity verification is minimal, private, and efficient.
As defined by W3C:
DIDs have the unique property of enabling the controller to verify ownership of the DID using cryptography. This can enable any controller of a DID—an individual, an organization, an online community, a government, an IoT device—to engage in more trustworthy transactions online. For individuals in particular, DIDs can put them back in control of their personal data and consent, and also enable more respectful bi-directional trust relationships where forgery is prevented, privacy is honored, and usability is enhanced.
Fundamentally, Decentralized Identifiers are a new type of globally unambiguous identifier that can be used to identify any subject (e.g., a person, an organization, a device, a product, a location, even an abstract entity or a concept). Each DID resolves to a DID document that contains the cryptographic material and other metadata for controlling the DID. The foundational pillars of the DID specification are: 1) DIDs do not require a central issuing agency (decentralized), 2) DIDs do not require the continued operation of an underlying organization (persistent), 3) Control of DIDs, and the information they are associated with, can be proven cryptographically (verifiable), and 4) DID metadata can be discovered (resolvable).
3.4 Privacy and Data Ownership
At the core of Sovereignty Protocol is the principle of data sovereignty, where users own and control their personal data.
Selective Disclosure: Users decide which identity attributes to share and which to keep private.
Zero-Knowledge Proofs: Verify claims (e.g., age, credentials) without exposing sensitive information.
Data Storage Flexibility: Data can be stored on-chain, off-chain, or in decentralized storage systems.
The DID Wallet implements these features, providing a user-friendly interface for managing identity and privacy settings.
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